Truls Asheim writes:

   We are having exactly the same problem which prevents us from switching
   to Firefox 3. Something which in our opinion is getting quite critical
   since Mozilla dropped support for Firefox 2 in December.

This was in response to:
   
   On 09/03/09 09:17, Sammy Atmadja wrote:
   > A lot of newer software (for example firefox 3) relies on having the
   > RENDER extension available on the X-server. When it's not available it
   > tries it tries to compensate for it which results in high network
   > traffic, as it copies a lot of data back and forth.

We run a similar config (Solaris/x86 Ray server connecting via ssh to
Linux systems for apps that don't run on Solaris).  We had a 64-bit
Linux system with both 8168 and 8169 realtek interfaces, and the 8168
(presumably the driver) gave significantly better performance.
However, we run 8169 in a 32-bit Linux kernel without problems.  These
are inexpensive Gb interfaces connecting directly to the Ray server
(X4200) via Gb switch.

Our main concern has been apps such as matlab where life can be
painfully slow for remote connections.  Fortunately,

   -Dsun.java2d.pmoffscreen=false

gives considerable help in that case.  I'd love to hear more general
solutions than apply to firefox and acroread.

-- 
Darrel Hankerson
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